RiverFish

Perch · Perca fluviatilis

Perch in the River Avon (Hampshire)

Largest measured perch: 26.1 cm

The largest perch measured in Environment Agency surveys of the River Avon (Hampshire) was 26.1 cm, recorded at The Moot on 8 July 2010.

Across 34 measured perch, the median measured length was 15.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Avon (Hampshire).

See perch records across England →

Most recent observation2 October 2025Kings Stream Upstream Bridge · 2 fish
Largest measured perch
26.1 cm
Median length
15.3 cm
Fish measured
34
Survey locations
3

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
26.1 cm8 Jul 2010The Moot122683
25.6 cm10 Sept 2019Kings Stream Upstream Bridge155505
24 cm3 Jul 2003The Moot78450
23.2 cm3 Jul 2003The Moot78450
23 cm3 Jul 2003The Moot78450
22.5 cm30 Sept 2010King's Stream124152
20.2 cm10 Sept 2019Kings Stream Upstream Bridge155505
19.9 cm12 Oct 2022The Moot162023
19.6 cm12 Oct 2022The Moot162023
19.2 cm10 Sept 2019Kings Stream Upstream Bridge155505

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding perch
Kings Stream Upstream Bridge10 Sept 20192 Oct 20252
The Moot3 Jul 200312 Oct 20224
King's Stream10 Oct 200630 Sept 20102

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2003–2025

Survey records by year

Each bar shows how many survey visits recorded perch that year.

Fish measured by surveyors

Measured length distribution

See how the 34 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
11.5 cm
Median
15.3 cm
Upper quarter
19.5 cm
Largest
26.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Avon (Hampshire)

Compare other species with enough survey and measurement data for a detailed page.

Brown / sea trout European eel Gudgeon Atlantic salmon Chub Dace

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →